package cn.wolfcode.service;

import org.junit.Test;

public class fafa {

    @Test
    public void test() {
        int a = 100;
        Integer b = 100;
        Integer c = 100;
        Integer f = new Integer (100);
        Integer e = 300;
        Integer g = new Integer (300);
        //System.out.println(c == d);
        System.out.println(a == b);
        System.out.println(a == e);
        System.out.println(b == f);
        System.out.println(e == g);
    }
}
